Health-Related Quality of Life among Egyptian Female Breast Cancer Patients at the National Cancer Institute, Cairo University.

BACKGROUND: To measure the quality of life (QoL) of Egyptian females with breast cancer (BC) at the National Cancer Institute (NCI), Cairo University (CU) and its relations with the socio-demographic and clinical characteristics. METHODS: A total of 200 female BC patients were recruited from the medical oncology outpatient clinic during a period from December 2015 to March 2018. The instrument of this study consisted of two parts: the first for Socio-demographic and clinicopathological characteristics, and the second was the Functional Assessment of Cancer Therapy-Breast for patients with Lymphedema (FACT-B+4) questionnaire. RESULTS: The majority of the study participants were married, housewives, and without a family history of cancer (70.0%, 93.0%, and 63.0%, respectively). Most of them presented with breast mass, had IDC, grade II and disease stage III at diagnosis (89.0%, 84.5%, 85.6% and 56.8%, respectively) and had undergone modified radical mastectomy, received adjuvant chemotherapy, radiation, and hormonal therapy (62.0%, 83.8%, 73.5% and 60.5%, respectively). The median FACT-B score was 81 (range 35-133). The medians of subscales were: physical well-being 13 (range 0-28), social well-being 20 (range 0-28), emotional well-being 15 (range 2-24), and functional well-being 16 (range 2-28). The median score for breast subscale was 19 (range 2-32). Many factors affected the QoL scores, including age, marital status, occupation, smoking, residence, comorbidities, symptoms, grade, chemotherapy, radiation, and recurrence. CONCLUSION: QoL of Egyptian females with BC was influenced by several factors like age, marital status, occupation, smoking, residence, comorbidities, symptoms, grade, chemotherapy, radiation, and recurrence.

Assessment of Statistical Methodologies and Pitfalls of Dissertations Carried Out at National Cancer Institute, Cairo University

Purpose: To identify statistical errors and pitfalls in dissertations performed as part of the requirements for the Medical Doctorate (MD) degree at the National Cancer Institute (NCI), Cairo University (CU) to improve the quality of medical research. Methods: A critical assessment of 62 MD dissertations conducted in 3 departments at NCI, CU, between 2009 and 2013 was carried out regarding statistical methodology and presentation of the results. To detect differences in study characteristics over time, grouping was into two periods; 2009-2010 and 2011-2013. Results: Statistical methods were appropriate in only 13 studies (24.5%). The most common statistical tests applied were chi-square, log-rank, and Mann-Whitney tests. Four studies estimated sample size and/or power. Only 37.1% and 38.7% of dissertation results supported aims and answered the research questions, respectively. Most of results were misinterpreted (82.3%) with misuse of statistical terminology (77.4%). Tabular and graphical data display was independently informative in only 36 dissertations (58.1%) with accurate titles and labels in only 17 (27.4%). Statistical tests fulfilled the assumptions only in 29 studies; with evident misuse in 33. Ten dissertations reported non-significance regarding their primary outcome measure; the median power of the test was 35.5% (range: 6-60%). There was no significant change in the characteristics between the time periods. Conclusion: MD dissertations at NCI have many epidemiological and statistical defects that may compromise the external validity of the results. It is recommended to involve a biostatistician from the very start to improve study design, sample size calculation, end points estimation and measures.